OpenAI vs Anthropic

Side-by-side comparison of AI visibility scores, market position, and capabilities

OpenAI

LeaderAI & Machine Learning

LLM Platform

GPT-5 and o3 model family at $25B+ ARR; $840B post-money valuation (Feb 2026 round); ChatGPT 1B+ users; largest private fundraise in history ($110B). Competing with Anthropic Claude 4, Google Gemini 3, Meta Llama 4.

AI VisibilityBeta
Overall Score
A99
Category Rank
#1 of 20
AI Consensus
81%
Trend
up
Per Platform
ChatGPT
92
Perplexity
96
Gemini
99

About

OpenAI is a San Francisco-based artificial intelligence company developing and deploying large-scale AI systems — including GPT-4o, o1 reasoning models, DALL-E 3 image generation, Sora video generation, and the Whisper speech recognition model — through the ChatGPT consumer product and OpenAI API for developers and enterprise customers. Founded in 2015 as a nonprofit by Sam Altman, Elon Musk, Greg Brockman, and others and restructured into a capped-profit company, OpenAI raised $157 billion in total funding including a $6.6 billion round in October 2024 at a $157 billion valuation and a $40 billion round from SoftBank in 2025, generating $3.7 billion in annualized revenue in 2024 with 400 million weekly ChatGPT users.

Full profile

Anthropic

LeaderAI & Machine Learning

LLM Platform

Claude 4 family (claude-opus-4-6, claude-sonnet-4-6, claude-haiku-4-5) at $5B ARR (2025); $183B valuation (Series F, Sept 2025); $14.3B raised — Amazon $8B, Google $2B; Claude Code at $500M+ ARR; 300K+ business customers; Claude.ai 18M+ MAU; competing with OpenAI o3/GPT-4.5, Google Gemini 2.0, Meta Llama 4.

AI VisibilityBeta
Overall Score
A99
Category Rank
#1 of 2
AI Consensus
79%
Trend
up
Per Platform
ChatGPT
99
Perplexity
92
Gemini
99

About

Anthropic is a San Francisco-based AI safety and research company that builds the Claude family of large language models. As of 2026, the current Claude 4 generation includes claude-opus-4-6 (most capable, reasoning and agentic tasks), claude-sonnet-4-6 (balanced performance and speed), and claude-haiku-4-5 (fast and cost-efficient). Anthropic also offers Claude Code — an agentic CLI for software engineering — generating $500M+ ARR by mid-2025.

Full profile

AI Visibility Head-to-Head

99
Overall Score
99
#1
Category Rank
#1
81
AI Consensus
79
up
Trend
up
92
ChatGPT
99
96
Perplexity
92
99
Gemini
99
99
Claude
94
99
Grok
99

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